Home / 121,116.25-166,997.46-82,894.24

Finding the Fourth Proportional to 121,116.25, 166,997.46 and 82,894.24

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Solution

The fourth proportional to 121,116.25, 166,997.46 and 82,894.24 is: 114,296.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,116.25 : 166,997.46 = 82,894.24 : x
  2. Step 2: Convert to fraction form
    121,116.25/166,997.46 = 82,894.24/x
  3. Step 3: Cross multiply
    121,116.25x = 166,997.46 × 82,894.24
  4. Step 4: Simplify right side
    121,116.25x = 13,843,127,528.63
  5. Step 5: Solve for x
    x = 13,843,127,528.63/121,116.25
  6. Step 6: Final answer
    x = 114,296.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.